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memory: avoid memory leak

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Unref the old memory in make_mapped.
Add some debug info
This commit is contained in:
Wim Taymans 2012-01-27 11:40:37 +01:00
parent ae12e4f645
commit 2ed36d91a6
1 changed files with 11 additions and 0 deletions
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11
gst/gstmemory.c
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@ -130,6 +130,8 @@ _default_mem_init (GstMemoryDefault * mem, GstMemoryFlags flags,
mem->slice_size = slice_size;
mem->data = data;
mem->free_func = free_func;
GST_DEBUG ("new memory %p", mem);
}
/* create a new memory block that manages the given memory */
@ -200,6 +202,8 @@ _default_mem_unmap (GstMemoryDefault * mem)
static void
_default_mem_free (GstMemoryDefault * mem)
{
GST_DEBUG ("free memory %p", mem);
if (mem->mem.parent)
gst_memory_unref (mem->mem.parent);
@ -369,6 +373,8 @@ gst_memory_ref (GstMemory * mem)
{
g_return_val_if_fail (mem != NULL, NULL);
GST_DEBUG ("memory %p, %d->%d", mem, mem->refcount, mem->refcount + 1);
g_atomic_int_inc (&mem->refcount);
return mem;
@ -387,6 +393,8 @@ gst_memory_unref (GstMemory * mem)
g_return_if_fail (mem != NULL);
g_return_if_fail (mem->allocator != NULL);
GST_DEBUG ("memory %p, %d->%d", mem, mem->refcount, mem->refcount - 1);
if (g_atomic_int_dec_and_test (&mem->refcount))
mem->allocator->info.free (mem);
}
@ -525,6 +533,8 @@ gst_memory_make_mapped (GstMemory * mem, GstMapInfo * info, GstMapFlags flags)
result = mem;
} else {
result = gst_memory_copy (mem, 0, -1);
gst_memory_unref (mem);
if (result == NULL)
goto cannot_copy;
@ -542,6 +552,7 @@ cannot_copy:
cannot_map:
{
GST_DEBUG ("cannot map memory %p with flags %d", mem, flags);
gst_memory_unref (result);
return NULL;
}
}